diff --git a/README.md b/README.md
index f736e42..cf16813 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # itconfig
 
 [![Documentation](https://docs.rs/itconfig/badge.svg)](https://docs.rs/itconfig)
+[![Crates.io](https://img.shields.io/badge/crates.io-v0.3.0-orange.svg?longCache=true)](https://crates.io/crates/itconfig)
 
 Easy build a configs from environment variables and use it in globally.